Jann Horn, le sam. 07 juil. 2018 03:53:44 +0200, a ecrit:
> @@ -257,6 +257,8 @@ static ssize_t softsynthx_read(struct file *fp, char 
> __user *buf, size_t count,
>                               0x80 | (ch & 0x3f)
>                       };
>  
> +                     if (chars_sent + 2 > count)
> +                             break;
>                       if (copy_to_user(cp, s, sizeof(s)))
>                               return -EFAULT;

Err, but then we have lost 'ch' that was consumed by the
synth_buffer_getc() call, so the fix seems wrong to me.

Nacked-by: Samuel Thibault <samuel.thiba...@ens-lyon.org>

Samuel

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